The major banks face years of rolling litigation and potentially billions of dollars in additional compensation out of the Hayne royal commission, as plaintiff law firms prepare a series of test cases over mortgage lending practices and regulators target other areas of bad behaviour.

Telstra chief executive Andy Penn has warned of "challenges" over the coming financial year, while posting a net profit decline of 8.9 per cent to $3.53 billion in fiscal 2018, as the rollout of the national broadband network (NBN) continues and mobile competition heats up.

As a parliamentary inquiry into life insurance continues to hear shocking misconduct revelations and NAB became embroiled in a new scandal at the weekend, the banks' mouthpiece, the Australian Bankers' Association, has been interviewing agencies as they consider a new campaign.